@charset "UTF-8";
.cooperation-footer{flex-wrap:wrap}.cooperation-footer-legal{flex:0 0 100%;display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;line-height:1.6}.cooperation-footer-legal a:hover{text-decoration:underline}
:root{--forest:#103528;--deep:#09271e;--gold:#b9964a;--gold-soft:#ead9ad;--paper:#faf8f0;--sage:#edf1e7;--ink:#203129;--muted:#68776f;--line:rgba(16,53,40,.16);--serif:"Songti SC","STSong","Noto Serif SC",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--gold);outline-offset:4px}.cooperation-skip{position:fixed;z-index:100;left:16px;top:-60px;padding:9px 14px;background:#fff}.cooperation-skip:focus{top:12px}.cooperation-header{position:sticky;z-index:30;top:0;height:78px;padding:0 max(40px,calc((100vw - 1240px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(250,248,240,.94);backdrop-filter:blur(18px)}.cooperation-brand{display:flex;align-items:center;gap:11px}.cooperation-brand img{border-radius:50%;mix-blend-mode:multiply}.cooperation-brand span,.cooperation-brand b,.cooperation-brand small{display:block}.cooperation-brand b{font-size:16px;letter-spacing:.1em}.cooperation-brand small{margin-top:2px;color:#7b877f;font-size:8px;letter-spacing:.14em}.cooperation-header nav{display:flex;align-items:center;gap:34px;font-size:12px}.cooperation-header nav a{padding:8px 0}.cooperation-header nav a.is-active{color:var(--forest);font-weight:700;border-bottom:2px solid var(--gold)}.cooperation-eyebrow{margin:0;color:#896b2f;font-size:10px;font-weight:700;letter-spacing:.16em}.cooperation-hero{padding:118px max(40px,calc((100vw - 1240px)/2)) 100px;background:linear-gradient(180deg,#fffdf8,var(--paper))}.cooperation-hero h1{margin:18px 0 24px;color:var(--forest);font-family:var(--serif);font-size:clamp(58px,7vw,104px);font-weight:500;letter-spacing:-.06em;line-height:1}.cooperation-lead{max-width:760px;margin:0;color:#4e5f56;font-family:var(--serif);font-size:25px;line-height:1.85}.cooperation-facts{display:grid;grid-template-columns:repeat(3,1fr);max-width:980px;margin:70px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cooperation-facts>div{padding:24px 28px 26px 0;border-right:1px solid var(--line)}.cooperation-facts>div+div{padding-left:28px}.cooperation-facts>div:last-child{border-right:0}.cooperation-facts dt{color:#758078;font-size:10px}.cooperation-facts dd{margin:5px 0 2px;color:var(--forest);font-size:22px;font-weight:700}.cooperation-facts small{color:#8a938d;font-size:10px}.cooperation-series{padding:105px max(40px,calc((100vw - 1240px)/2)) 120px;background:var(--sage)}.cooperation-series>header{display:grid;grid-template-columns:1fr 380px;gap:70px;align-items:end;margin-bottom:52px}.cooperation-series>header .cooperation-eyebrow{grid-column:1/-1}.cooperation-series h2,.cooperation-closing h2{margin:0;color:var(--forest);font-family:var(--serif);font-size:46px;font-weight:500;line-height:1.35}.cooperation-series>header>p:last-child{margin:0;color:var(--muted);font-size:14px}.cooperation-cards{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.cooperation-cards>a{min-height:360px;padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,248,.55);transition:background .2s,transform .2s}.cooperation-cards>a:hover{position:relative;z-index:1;background:#fffdf8;transform:translateY(-3px)}.cooperation-cards small,.cooperation-cards span{font-size:9px;letter-spacing:.12em}.cooperation-cards small{color:#87928b}.cooperation-cards span{float:right;color:#896b2f}.cooperation-cards h3{max-width:470px;margin:62px 0 18px;color:var(--forest);font-family:var(--serif);font-size:30px;font-weight:500;line-height:1.45}.cooperation-cards p{max-width:510px;margin:0;color:var(--muted);font-size:13px}.cooperation-cards b{display:flex;justify-content:space-between;align-items:center;margin-top:30px;color:var(--forest);font-size:11px}.cooperation-cards i{font-size:20px;font-style:normal;font-weight:400}.cooperation-closing{padding:110px max(40px,calc((100vw - 1240px)/2));background:var(--deep);color:#fff}.cooperation-closing .cooperation-eyebrow{color:var(--gold-soft)}.cooperation-closing h2{margin-top:18px;color:#fff}.cooperation-closing>p:not(.cooperation-eyebrow){max-width:620px;margin:25px 0 0;color:#bdcbc2;font-size:14px}.cooperation-closing>a{display:inline-flex;gap:45px;margin-top:35px;padding:13px 18px;border:1px solid var(--gold);background:var(--gold);color:#14261d;font-size:12px;font-weight:700}.cooperation-reading{width:min(1180px,calc(100% - 80px));margin:0 auto;padding:76px 0 120px;display:grid;grid-template-columns:minmax(0,760px) 280px;gap:100px;align-items:start}.cooperation-article-head>a{display:inline-block;margin-bottom:55px;color:#6d7c73;font-size:11px}.cooperation-article-head h1{margin:17px 0 24px;color:var(--forest);font-family:var(--serif);font-size:clamp(46px,5vw,70px);font-weight:500;letter-spacing:-.045em;line-height:1.2}.cooperation-article-head>p:last-child{margin:0;padding-bottom:42px;border-bottom:1px solid var(--line);color:#53645a;font-family:var(--serif);font-size:19px;line-height:1.9}.cooperation-prose{padding-top:20px;color:#34463c;font-family:var(--serif);font-size:17px;line-height:2.05}.cooperation-prose h2{margin:58px 0 20px;color:var(--forest);font-family:var(--sans);font-size:25px;line-height:1.45}.cooperation-prose p{margin:0 0 22px}.cooperation-prose ul,.cooperation-prose ol{margin:0 0 26px;padding-left:24px}.cooperation-prose li{margin:8px 0;padding-left:4px}.cooperation-prose strong{color:#183f2e}.cooperation-reading aside{position:sticky;top:112px;padding:24px 0;border-top:2px solid var(--forest);border-bottom:1px solid var(--line)}.cooperation-reading aside>p{margin:0 0 18px;color:var(--forest);font-size:13px;font-weight:700}.cooperation-reading aside ol{margin:0;padding:0;list-style:none}.cooperation-reading aside li+li{border-top:1px solid var(--line)}.cooperation-reading aside li a{display:grid;grid-template-columns:28px 1fr;gap:10px;padding:14px 0;color:#718077;font-size:11px;line-height:1.55}.cooperation-reading aside li a.is-active{color:var(--forest);font-weight:700}.cooperation-reading aside small{color:#a1874e;font-size:9px}.cooperation-aside-contact{display:block;margin-top:22px;color:var(--forest);font-size:11px;font-weight:700}.cooperation-article-next{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:75px;padding-top:26px;border-top:1px solid var(--line)}.cooperation-article-next>a{min-height:112px;padding:18px;border:1px solid var(--line);background:#fffdf8}.cooperation-article-next>a:last-child{text-align:right}.cooperation-article-next small,.cooperation-article-next b{display:block}.cooperation-article-next small{color:#8d978f;font-size:9px}.cooperation-article-next b{margin-top:7px;color:var(--forest);font-size:13px}.cooperation-footer{padding:45px max(40px,calc((100vw - 1240px)/2)) 55px;display:flex;justify-content:space-between;gap:40px;border-top:1px solid var(--line);background:#f5f4ed}.cooperation-footer>div>a{font-weight:700;letter-spacing:.08em}.cooperation-footer p{margin:8px 0 0;color:#7b877f;font-size:10px}.cooperation-footer nav{display:flex;gap:28px;font-size:11px}
@media(max-width:760px){.cooperation-header{height:62px;padding:0 16px}.cooperation-brand img{width:30px;height:30px}.cooperation-brand b{font-size:14px}.cooperation-brand small{display:none}.cooperation-header nav{gap:14px;font-size:10px}.cooperation-header nav a:nth-child(2){display:none}.cooperation-hero{padding:58px 20px 52px}.cooperation-hero h1{margin:14px 0 20px;font-size:54px}.cooperation-lead{font-size:18px;line-height:1.8}.cooperation-facts{grid-template-columns:1fr;margin-top:42px}.cooperation-facts>div,.cooperation-facts>div+div{padding:16px 0;border-right:0;border-bottom:1px solid var(--line)}.cooperation-facts>div:last-child{border-bottom:0}.cooperation-facts dd{font-size:19px}.cooperation-series{padding:56px 14px 66px}.cooperation-series>header{display:block;margin:0 6px 28px}.cooperation-series h2,.cooperation-closing h2{margin-top:12px;font-size:30px}.cooperation-series>header>p:last-child{margin-top:14px;font-size:12px}.cooperation-cards{grid-template-columns:1fr}.cooperation-cards>a{min-height:0;padding:25px 22px}.cooperation-cards h3{margin:34px 0 13px;font-size:24px}.cooperation-cards p{font-size:12px;line-height:1.8}.cooperation-cards b{margin-top:22px}.cooperation-closing{padding:60px 20px 68px}.cooperation-closing>p:not(.cooperation-eyebrow){font-size:12px}.cooperation-reading{width:auto;margin:0;padding:38px 20px 76px;display:flex;flex-direction:column}.cooperation-reading>article{min-width:0}.cooperation-article-head>a{margin-bottom:36px}.cooperation-article-head h1{font-size:38px;line-height:1.28}.cooperation-article-head>p:last-child{padding-bottom:30px;font-size:16px;line-height:1.8}.cooperation-prose{font-size:16px;line-height:2}.cooperation-prose h2{margin-top:45px;font-size:22px}.cooperation-reading aside{position:static;order:-1;width:100%;padding:15px 0 0;border-top:0;border-bottom:1px solid var(--line);overflow:hidden}.cooperation-reading aside>p,.cooperation-reading aside ol,.cooperation-aside-contact{display:none}.cooperation-reading aside:before{content:"如何合作 · 四篇系列文章";display:block;padding-bottom:15px;color:#80672f;font-size:10px;letter-spacing:.08em}.cooperation-article-next{grid-template-columns:1fr}.cooperation-article-next>a:last-child{text-align:left}.cooperation-footer{padding:34px 20px 45px;display:block}.cooperation-footer nav{margin-top:24px;gap:18px}}
@media(max-width:760px){html,body{max-width:100%;overflow-x:hidden}.cooperation-header{gap:12px}.cooperation-brand,.cooperation-shell,.cooperation-reading,.cooperation-reading>article{min-width:0}.cooperation-header nav a:not(.is-active){display:none}.cooperation-lead,.cooperation-article-head>p:last-child,.cooperation-prose{overflow-wrap:anywhere;word-break:break-word}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cooperation-cards>a{transition:none}}
.cooperation-contact{scroll-margin-top:78px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(32px,6vw,96px);align-items:center;padding:88px max(40px,calc((100vw - 1240px)/2));background:var(--deep);color:#fff}.cooperation-contact .cooperation-eyebrow{color:var(--gold-soft)}.cooperation-contact h2{margin:18px 0 18px;color:#fff;font-family:var(--sans);font-size:clamp(30px,3.2vw,46px);font-weight:600;line-height:1.3;letter-spacing:-.035em}.cooperation-contact-copy>p:last-child{max-width:590px;margin:0;color:#d2dfd6;font-size:15px;line-height:1.85}.cooperation-contact-methods{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:16px}.cooperation-contact-methods figure{margin:0;padding:15px;min-width:180px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#fff;color:var(--forest);text-align:center}.cooperation-contact-methods img{display:block;width:160px;height:160px;max-width:100%;margin:auto;object-fit:contain}.cooperation-contact-methods figcaption{margin-top:10px;font-size:12px;font-weight:700}.cooperation-contact-methods>p{margin:0;color:#fff}.cooperation-contact-methods>p a{color:var(--gold-soft);text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){.cooperation-contact{scroll-margin-top:62px;grid-template-columns:1fr;gap:28px;padding:58px 20px 66px}.cooperation-contact h2{font-size:30px}.cooperation-contact-copy>p:last-child{font-size:14px}.cooperation-contact-methods{gap:10px}.cooperation-contact-methods figure{flex:1 1 145px;min-width:0;padding:10px}.cooperation-contact-methods img{width:145px;height:145px}.cooperation-contact-methods figcaption{font-size:11px}}